____ many times ,but he still couldn't understand it.

____ many times but he still couldn't understand it 1.___many times,but he still couldn't understand it. _____scores of times,but he still couldn't understand it. ________many times,but he still couldn't understand it. he had been told many times but he still couldn't understand 1.__________(tell) many times,he still couldn't understand. __many times,but he still couldn't understand ( ) many times,but he still couldn't remember . 1.（）many times,he couldn't understand it. （）many times,but he still could not understand it. ____ many times ,he still couldn't remember it.求详解 高中英语单选几道.1.________A_ many times,but he still couldn’t under